# AWS VSS solution version history
<a name="vss-comps-history"></a>

This page includes release notes by version for the AWS VSS component package, as well as component and script version requirements for each supported version of Windows Server.

**Topics**
+ [AwsVssComponents package versions](#AwsVssComponents-history)
+ [Windows OS version support](#windows-version-support)

## AwsVssComponents package versions
<a name="AwsVssComponents-history"></a>

The following table describes the released versions of the AWS VSS component package.


| Version | Details | Release date | Downloadable | 
| --- | --- | --- | --- | 
| 2.5.2 |  +  Added support for the `aws-eusc` partition endpoint. <br />+  Updated AWS SDK to incorporate security updates.   | September 2, 2026 | Yes | 
| 2.5.1 | Fixed a case where SQL database restoration could fail when the target database parameter is specified. | March 13, 2025 | Yes | 
| 2.5.0 |  +  Added the capability to read VSS metadata files and restore a Microsoft SQL Server database on the instance. For more information, see [Restore from VSS based snapshots](https://docs.aws.amazon.com/sql-server-ec2/latest/userguide/ms-ssdb-ec2-restore-vss.html) in the *Microsoft SQL Server on Amazon EC2 User Guide*. <br />+  Added support for the in-place update option when installing or upgrading the `AwsVssComponents` package.   | January 17, 2025 | Yes | 
| 2.4.0 | Added the capability to save VSS metadata files on snapshot creation. To enable this feature, see SaveVssMetadata in [Parameters for Systems Manager VSS snapshot documents](create-vss-snapshots-ssm.md#create-vss-snapshots-ssm-params). | October 7, 2024 | Yes | 
| 2.3.3 | Updated the VSS agent to ensure that the `Ec2VssProvider` is used during snapshot creation. | June 25, 2024 | Yes | 
| 2.3.2 | Fixed a case where VSS provider registration is not removed on uninstallation. | May 9, 2024 | Yes | 
| 2.3.1 | Added new default tag `AwsVssConfig` to identify snapshots and AMIs created by AWS VSS. | March 7, 2024 | Yes | 
| 2.2.1 |  +  Added support for using the `DescribeInstanceAttribute` API. <br />+  Bug fixes and reliability improvements. <br />+  Deprecated support for Windows Server 2012 and 2012 R2. AWS VSS components version 2.2.1 installation on Windows Server 2012 and 2012 R2 will fail. AWS VSS components version 2.1.0 is the last version to support Windows Server 2012 and 2012 R2.   | January 18, 2024 | Yes | 
| 2.1.0 | Added support for using the `CreateSnapshots` API. | November 6, 2023 | Yes | 
| 2.0.1 | Added support for using the WinHTTP proxy settings. | October 26, 2023 | No | 
| 2.0.0 | Added capability to the AWS VSS component to create snapshots and AMIs, which enables compatibility with PowerShell module logging, script block logging, and transcription features. | April 28, 2023 | No | 
| 1.3.2.0 | Fixed a case where installation failure is not reported correctly. | May 10, 2022 | No | 
| 1.3.1.0 |  +  Fixed snapshots failing on domain controllers in relation to an NTDS VSS writer logging error. <br />+  Fixed VSS agent error when uninstalling version 1.0 VSS provider.   | February 6, 2020 | Yes | 
| 1.3.00 |  +  Improved logging by reducing unwanted verbosity. <br />+  Fixed regionalization issues during installation. <br />+  Fixed return codes for some provider registration error conditions. <br />+  Fixed various installation issues.   | March 19, 2019 | No | 
| 1.2.00 |  +  Added command line parameters `-nw` (no-writers) and `-copy` (copy-only) to agent. <br />+  Fixed EventLog errors caused by improper memory allocation calls.   | November 15, 2018 | No | 
| 1.1 | Fixed AWS VSS components that were being used incorrectly as the default Windows Backup and Restore provider. | December 12, 2017 | No | 
| 1.0 | Initial release.  | November 20, 2017 | No | 

## Windows OS version support
<a name="windows-version-support"></a>

The following table shows which AWS VSS solution versions you should run on each version of Windows Server on Amazon EC2.


| Windows Server version | AwsVssComponents version | AWSEC2-VssInstallAndSnapshot version name | AWSEC2-CreateVssSnapshot version name | 
| --- | --- | --- | --- | 
| Windows Server 2025 | default | default | default | 
| Windows Server 2022 | default | default | default | 
| Windows Server 2019 | default | default | default | 
| Windows Server 2016 | default | default | default | 
| Windows Server 2012 R2 | 2.1.0 | not supported | 2012R2 | 
| Windows Server 2012 | 2.1.0 | not supported | 2012R2 | 
| Windows Server 2008 R2 | 1.3.1.0 | not supported | 2008R2 |